With threaded ports for gauges and a drain valve, backflow-preventing sprinkler check valves can expedite the code-compliant installation of system risers. Read on to learn more about the design and installation of “shotgun” risers—and how they compare to common alternatives.
Each fire riser serves as a central hub for sprinkler system inspection, testing, and repair. For more on residential and commercial risers, fire sprinkler riser components, and how they’re used in different system types, read on.
Working pressure gauges make it easy to spot serious problems in a fire sprinkler system. QRFS looks at the NFPA requirements for fire sprinkler gauge placement and replacement in residential and commercial systems.
In QRFS’ continuing series on NFPA’s commercial fire sprinkler inspection requirements, we look at what you need to check out — and when — it comes to fire sprinkler gauges, signs, water flow alarms and supervisory signaling devices.